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Bezzdna [24]
3 years ago
13

How do you know if an expression is a polynomial, i am completely clueless

Mathematics
1 answer:
Lyrx [107]3 years ago
8 0
In mathematics, a polynomial is an expression consisting of variables (also called indeterminates) and coefficients, that involves only the operations of addition, subtraction, multiplication, and non-negative integer exponents of variables. An example of a polynomial of a single indeterminate, x, is x2 − 4x + 7.
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50 POINTS !!<br><br><br> PLEASE HELP !! ILL GIVE BRAINLIEST TO THE RIGHT ANSWERS.
valentina_108 [34]

Answer:

a=18.7 or 19 rounded up

Step-by-step explanation:

Use Pythagoras Thereom

a^2=8^2+17^2

a^2=64+289

a^2=353

√353

a=18

5 0
3 years ago
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By selling a watch for Rs 1275, Javed lost 15%. At what price should he sell to make a profit of 10%
Arlecino [84]

Answer: Rs. 1,650

Step-by-step explanation:

First find the original price of the watch.

If the watch is sold at Rs. 1,275, there is a 15% loss.

Assume the watch is x.

(1 - 15%) * x = 1,275

0.85x = 1,275

x = 1,275 / 0.85

x = Rs. 1,500

Now add a 10% markup on the original:

= (1 + 10%) * 1,500

= 1.1 * 1,500

= Rs. 1,650

3 0
3 years ago
Which type of deposit is paid in advance to protect landlords against nonpayment?
beks73 [17]
<span>Before moving into a rented apartment or house it is common for the landlord (owner of the property) to request a security deposit. At the end of the tenency agreement, if any damage has occured then the landlord can remove money from the security deposit. </span>
8 0
3 years ago
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The mean is 163.4 cm and the standard deviation is 6.7 cm. Convert the mean and standard deviation to inches
disa [49]

Answer:

The mean is 64.33 inches and standard deviation is 2.64 inches.

Step-by-step explanation:

Given:

Mean = 163.4 cm

Standard deviation=6.7 cm

Solution:

As we know 1\ cm=\frac{1}{2.54}\ in

So for mean, 163.4\ cm= \frac{163.4}{2.54} =64.33 \ in

For standard deviation, 6.7 cm= \frac{6.7}{2.54} =2.637\approx 2.64 \ in

4 0
4 years ago
-21 &lt; a -16 please help me
frez [133]

Answer:

a > -5

Step-by-step explanation:

Step 1: Flip the inequality.

  • -21 < a - 16
  • a - 16 > -21

Step 2: Add 16 to both sides.

  • a - 16 + 16 > -21 + 16
  • a > -5

Therefore, a > -5.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

3 0
2 years ago
Read 2 more answers
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